Update configure.in

Change value to 1 to match the 1.1.1 stable release

fixes this warning

This is the UNSTABLE branch of muffin
Use 3.0.x for stable (gnome-3-0 branch in git)
add autogen.sh
Merge branch 'master' of https://github.com/leigh123linux/muffin into leigh123linux-master
Don't check minor version in configure.in